Aplex-technology APC-3517B Manual do Utilizador descarregar pdf (Página 31)

APC-3X17B User Manual

LED2:

POWER LED status.

S1:

PWR BT: POWER on/off Button, They are used to connect power switch button. The

two pins are disconnected under normal condition. You may short them temporarily to

realize system startup & shutdown or awaken the system from sleep state.

PWR LED: POWER LED status.

COM3:

(Type DB9),I/O serial port, it provides selectable RS422/RS485 serial signal output.

RS422 Type (option) RS485 Type (option)

Signal Name Pin# Pin# Signal Name

422_RX+ 1 1 NC

422_RX- 2 2 NC

422_TX- 3 3 485-

422_TX+ 4 4 485+

Ground 5 5 Ground

NC 6 6 NC

NC 7 7 NC

NC 8 8 NC

NC 9 9 NC

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 90 91

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Aplex-technology APC-3517B Manual do Utilizador Página 31